Anti-Inflammatory Agents, Non-Steroidal/pharmacology; Antioxidants/pharmacology; Enzyme Inhibitors/pharmacology; Leukocytes, Mononuclear/drug effects; Masoprocol/pharmacology; NADPH Oxidases/antagonists & inhibitors; Neutrophils/drug effects; Adult; Anti-Inflammatory Agents, Non-Steroidal/adverse effects; Anti-Inflammatory Agents, Non-Steroidal/chemistry; Antioxidants/adverse effects; Antioxidants/chemistry; Cells, Cultured; Cinnamates/adverse effects; Cinnamates/chemistry; Cinnamates/pharmacology; Cytokines/antagonists & inhibitors; Cytokines/metabolism; Depsides/adverse effects; Depsides/chemistry; Depsides/pharmacology; Enzyme Inhibitors/adverse effects; Enzyme Inhibitors/chemistry; Hematologic Agents/adverse effects; Hematologic Agents/chemistry; Hematologic Agents/pharmacology; Hemolysis/drug effects; Humans; Hydrophobic and Hydrophilic Interactions; Hypochlorous Acid/antagonists & inhibitors; Hypochlorous Acid/metabolism; Leukocytes, Mononuclear/cytology; Leukocytes, Mononuclear/immunology; Leukocytes, Mononuclear/metabolism; Lymphocyte Activation/drug effects; Masoprocol/adverse effects; Masoprocol/chemistry; NADPH Oxidases/metabolism; Neutrophil Activation/drug effects; Neutrophils/cytology; Neutrophils/immunology; Neutrophils/metabolism; Osmolar Concentration; Young Adult; Rosmarinic Acid